Functional ceramic layers based on a support layer produced with crystalline nanoparticles
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United States of America Patent
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Oct 11, 2005
Grant Date -
Jun 17, 2004
app pub date -
Apr 19, 2002
filing date -
Apr 21, 2001
priority date (Note) -
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Abstract
The invention concerns a method for producing porous ceramic layers on metallic, ceramic, enameled or glass substrates using crystalline nanoparticles of particle sizes of between 3 nm and 100 nm via a wet-chemical process and functionalising of this porous ceramic layer through introducing a second component into the pores of the porous ceramic layer which serves as carrier layer. The porous ceramic layers can be filled with hydrophobizing, hydrophilizing, dirt-repellent and corrosion-inhibiting substances which remain in the substrate or are supplied later on demand, or with bactericidal substances, aromatics, perfumes or inhalation substances which are delivered to the room air in precise doses.
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